Explanation
JSON data is written as name/value pairs.A name/value pair consists of a field name (in double quotes), followed by a colon, followed by a value:"name":"Mark"JSON can use arrays. Array values must be of type string, number, object, array, boolean or null.For example:{"name":"John","age":30,"cars":[ "Ford", "BMW",
"Fiat" ]}JSON can have empty object like "taskId":{}